1485113 - Change DownloadHistory to keep a cache of download metadata throughout the session

Status: RESOLVED FIXED

(Toolkit :: Downloads API, enhancement, P1)

Description

[Mark Banner (:standard8)]

In bug 1468972 we're moving page annotations to be asynchronous. This means that DownloadHistory needs to be updated to better handle the async nature.

To maintain performance of DOM updates, and to avoid potential race conditions, we need to have a cache of the relevant download metadata so that the database updates happen in the background, but we have sync access for updating the UI.

See also bug 1480049 for some discussion.

Comment 1

[Mark Banner (:standard8)]

Attachment: Bug 1485113 - Change DownloadHistory to keep a cache of download metadata throughout the session.

This avoids the need to do async lookups in the database when updating the UI.

MozReview-Commit-ID: BXe88ay0csO

Comment 2

[:Paolo Amadini]

Comment on attachment 9002882 [details]
Bug 1485113 - Change DownloadHistory to keep a cache of download metadata throughout the session.

:Paolo Amadini has approved the revision.

Comment 3

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/02647608ed58
Change DownloadHistory to keep a cache of download metadata throughout the session. r=paolo

Comment 4

[Noemi Erli[:noemi_erli]]

https://hg.mozilla.org/mozilla-central/rev/02647608ed58